Basic Violet 1/ Methyl Violet 5BN / Methyl Violet 2B powder or crystal for Paper Silk Wool

Basic Violet 1/ Methyl Violet 5BN /Methyl Violet 2B powder or crystal C.I. 42525 CAS NO.: 8004-87-3 Molecular formula: C29H28N3NaO7S2 Packed in 25kgs Iron Drum Used for dyeing wool, silk, paper leather etc [video width="1280" height="720" mp4="https://www.pldyes.com/uploads/467d3abe.mp4"][/video]

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